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Ducati Diavel Service Manual: Checking and adjusting the valve clearances

Ducati Diavel Service Manual / Engine / Cylinder head assemblies / Checks and adjustments / Checking and adjusting the valve clearances

Checking and adjusting the valve clearancesChecking and adjusting the valve clearances


Note

For clarity, the figures show the engine removed from the frame.

Move the piston of the cylinder being checked to tdc of the power stroke: in this condition, all the valves are closed and the timing shafts come in neutral position and, therefore, free to rotate; check to the valve clearance on the cylinder head on which it operates.

Checking the opening clearance

Using a feeler gauge, check the clearance between the opening rocker arm (a) and the lowest point of the camshaft lobe (b), taking care not to compress the rocker arm return spring.

The value must be within the specified ones (sect. 3 - 1.1, Timing system/valves).

If not, remove the opening adjuster (3), as described in paragraph "removing the valves" (sect. 9 - 4.5), And replace it with one of suitable height to obtain the prescribed clearance.

Note

Opening rocker arm shims measuring 1.80 To 3.45 Are available as replacement parts: the size is punched on the shim.

Checking the opening clearance


Checking the closing clearance

Using a feeler gauge, check the clearance between the closing rocker arm (c) and the highest point of the camshaft lobe (d).

The value must be within the specified ones (sect. 3 - 1.1, Timing system/valves).

If not, remove the closing adjuster (1), as described in paragraph "removing the valves" (sect. 9 - 4.5), And replace it with one of suitable height to obtain the prescribed clearance.

Note

Closing rocker arm shims measuring from 2.2 To 4.5 Are available as replacement parts: the size is punched on the shim.

Checking the closing clearance


Checks and adjustments
Closing shim Intake side camshaft Opening shim Exhaust side camshaft Valve Spare parts catalogue Diavel abs cylinder head: timing system Diavel abs vertical cylinder head Diavel a ...

Checking valve lift
Set the engine to the configuration described for the "checking and adjusting the valve clearances", previously indicated. Position the tool 88765.1518 On the cylinder head: the part marked "a" s ...

Other materials:

Lap registration function
This function describes the "lap" time registration. If the function is activated (see "lap activation/deactivation description), the lap time can be registered as follows: pressing the flash headlight button (6) the first time starts the "lap timer" for the first lap, and the dashboard show ...

Abs diagnosis
Note The on-screen icons used during this procedure are explained in a table at the end of this section. If the abs system is not working correctly, system diagnosis is possible through the dds diagnosis instrument. Turn on the dds diagnosis instrument (1) referring to the paragraph "tester ...

Timing system
Central external cover Air filter Horizontal cylinder timing belt cover Screw Filter support Screw Washer Nut Tensioner pulley assembly Circlip Camshaft pulley Tensioner pin Idler pulley assembly Timing belt Nut Key Spacer Camshaft pulley Driveshaft pulley ...

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